Update link to Heroku CLI

Author: jdanford

README.md

@@ -6,7 +6,7 @@ This application supports the [Getting Started with Python on Heroku](https://de
 
 ## Running Locally
 
-Make sure you have Python [installed properly](http://install.python-guide.org).  Also, install the [Heroku Toolbelt](https://toolbelt.heroku.com/) and [Postgres](https://devcenter.heroku.com/articles/heroku-postgresql#local-setup).
+Make sure you have Python [installed properly](http://install.python-guide.org). Also, install the [Heroku CLI](https://devcenter.heroku.com/articles/heroku-cli) and [Postgres](https://devcenter.heroku.com/articles/heroku-postgresql#local-setup).
 
 ```sh
 $ git clone [email protected]:heroku/python-getting-started.git